Silo-door.



C. C. FOUTS. SILO DOOR. APPLICATION FILED AUG. 7. 1914.

Pafented June 1, 1915.

Ca/w n 6'. 50/ 7 Inventor Attorney UNITED STATES-P TENT orrron. i CALVIN o. rooms, ormmntrrowiv, omo,

1,141,703. Specification of Letters Patent I Iatented June 15.1915. Application filed August 7, 1914s Senlallio. 855,544. I i

To all whom itmay concern; a a face of the shell ;-6,;an outwardly project- Be it known that I, CALVIN CL Foors, a ing flange formed on the periphery of the citizen of the United States, residing at door and adapted tofreely enter the groove Middletown, Butler county, Ohio, have ,inin the jamb-ring and seat against the pack vented certain new and useful Improveing in the groove; 7,,a double hinge dismentsin Silo-Doors, of which the following posed inside the shell and door and conis-a specification. meeting these two parts, by double. hinge In. silos of the type and constructionto being meant a hinge with two pivots, some which this invention is particularly appliwhat similar to the crane-hinge ot aburglar cable there is a-vertical shell and. a vertical proof safe, so that the door may start-its series of doors in the shell, ladder devices opening motion in a line substantially-paraL v beingprovided at the series of doors to falel with the axis of the door, this motion cilitate access to theseveral doors. The taking, place on one pivotof the hinge, while doors should: be of. simple construction, the continued opening'motion of the door is fairly if not perfectly watertight; opening may take place on the second pivot of the inwardly; controlled from the outside of the lungs or on; both pivots combined; 8, a bar silo; and the interior surface. of the door rigidlysecured to but at some distance from should be, as far as practicable, flush wlth the outer surface of the door and. serving as the interior of the shell to permit of-easy a ladder-rung, and as means .by which the 20 slippageof the 'ensilage. door may be manipulated; 9, levers having a The present invention, relating to the their outer ends pivoted to the shell of the construction of such silo doors wlll be readsilo, in a, cir umferential series around the i'ly understoodfrom the following descr1pdoor-opening, these levers projecting in: tion taken in connection with the. accomwardly over the jamb-ring and past the 30 25 panying' drawingin which a inner periphery thereof, there being as Figure 1 is a front elevation of my 1m many of these levers as are deemed necesproved silo door with its door-ring, pol" sary, the'illustration showing four of them; tions appearing in vertical section; and Fig. 10, pivots connecting the levers with the 2 a section of the'saine in the-plane of shell; and 11, bolts projecting outwardly 5 line a of Fig. 1. a j from the door and passing through the in- In the drawingz-l, indicates the shell of nor ends of the lovers, which levers are prothe silo, which may be of metal or wood, vided with slotted openings to permit the my present invention being, however, depresence of the bolts and to permit of the I signed with metallic silo shells particularly levers being swung outwardly beyond the in view, this shell being provided with. a periphery of the door-opening in the jambdoor-opening'of the size and form thought ring when the door is to be opened. most expedient,the illustration beingfound C id i g th d i it losed poed -P g cllculal' 111 form; sition as indicated, it is held firmly closed a jamb-rlng r d o the shell around t with the outer edge of its flange 6 against 95 4o door-open1ng, on the exterlor surface of the packing 4 by the lever-like action of the shell and projecting outwardly from the levers 9, and with its inner surface as flush outer surface of the Sh ll and g a P and continuous with the inner surface of the tion projecting radially inw r 0f h fshell as is consistent with the presence of o gin of the door-opening at the ou r hinges at the inner surface of the door. In 45 tr mity of said Outward P J a this condition of the door the door-opening groove formed in thatdportion of h j m istightly sealed and ladder-rung 8 may act ring projecting inWaI' 1y f the margin of in conjunction with ladder-rungs on simit e door-opening, this gr pres g lar doors arranged in a vertical series and Self inwardly to th body f h Silo; in conjunction with ladder-rungs on the silo- 50 a packing, which may be of r d k. shell between the doors of the vertical series.- ing or an log ma di p ed 111 the When the door is to be opened then the nutsgroove 3 of the jamb;ring; 5, the door, t on bolts 11 are slackened sufliciently to persame being of the size and form to freely ii; lov r 9 to be swung upon their pivots enter and f i y fill h d p g n 'to such position thatthey will not project 55 the shell and having its interior surface in id th doorp ning. The door may substantially flush with the interlor surth n b opened inwardly, th ladder-rung interior surf the usual hinging action. \Vhen the I forth.

acting as a door-handle, and the first opening motion of the door may be almost directly inward, by reason of the double hinge, the latter opening motion of the door being by door is completely opened and swung back against the in wall of the shell then the ladder-rung takes position inside the silo.

I claim 1. A silo door construction comprising, a jamb-ring secured at the door-opening in the silo shell and projecting outwardly from the outer surface of the shell and having its outermost portion projecting inwar ly beyond the margin of the door-opening, packing held by such inwardly projecting portion of the doorjamb, a door seated in the door-opening in the shell and having its ace substantially flush with the interior surface of the shell, a flange projecting away from the outer surface of the door and adapted to make contact with said packing, a hinge disposed within the shell and uniting the door to the shell, and fastening devices cooperating with the exterior of the shell and door and serving to draw the door outwardly, combined substantially as set 2. A silo'door construction comprising, a jamb-ring secured to the outer surface 0 the silo shell and projecting outwardly therefrom around the door-opening and having .radially inwardly such packing,

a portion projecting radially inward of the door-opening, a packing carried by said projecting portion of door mounted or opento seat against jamb-ring, a hinged ing inwardly and adapted cured to the shell outside the jamb-ringand engaging over the outer face of the jamb-ring and projecting radially inward thereof, and bolts carried by the outer face of the door and adapted to engage the inner ends of said levers and draw the levers against the outward projection of the jambring and draw the door against "said ing, combined substantially as set forth.

' 3. A silo door-construction comprising, a ,jamb-ring secured to the. silo shell .and projectin outwardly therefrom, a door adapted to open inwardly and to closeoutwardlv against the jamb-ring, pivots carried by the shell around said bolts carried by the door in correspondence withthe position oi said pivots, and levers the outer projection of ring and having their outer ends mounted on said pivots and their inner ends engaged levers having their heels sepackjamb-ring,

the jamb- I by said bolts, combined substantially as set 

